[Libreoffice-ux-advise] [Bug 87700] UNO: New command to rotate image 180 degrees

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=87700

Regina Henschel <rb.henschel at t-online.de> changed:

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                 CC|                            |rb.henschel at t-online.de

--- Comment #7 from Regina Henschel <rb.henschel at t-online.de> ---
(In reply to Yousuf Philips (jay) from comment #2)
> Yep we do have flip vertical and flip horizontal, but unless both halves of
> the image are exactly the same, they wont be the same as rotate 180.

Applying a flip vertical _and_ flip horizontal _together_, is mathematically
the same as a rotation by 180°.

>From a technical point the methods are different:
If you use 90°-rotation, then in case the image is linked, it is embedded
automatically and the transformation actually changes the image. As the image
itself is changed, the cropping handle tool will work as visually expected
after a 180° rotation. But the user is not asked, whether he wants to embed the
image. 

If you use flipping, then only the flip-information is stored and the image
remains unchanged. That is possible with linked images too. But the cropping
handle tool is faulty in that case and you have to use cropping from the Crop
tab of the image properties to get the correct result.

I personal have no strong opinion about which way to go.

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